To study of Absorption Spectrum of Iodine Vapour and to determine :
- Energy level diagram of iodine molecule.
- The values of electronic excited energies and energy gap.
- The force constant for the excited state.
The set-up consists of :
- Spectrometer Standard.
- Diffraction Grating.
- Incandescent bulb 200W with house.
- Glass tube of bore 3cm and length 50cm with an inlet for Iodine grains with stopper. The tube is closed at both ends.
- Iodine.
- Spirit level.